Home / 1,515,167.60-2,275,375.80-806,579.60

Finding the Fourth Proportional to 1,515,167.60, 2,275,375.80 and 806,579.60

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Solution

The fourth proportional to 1,515,167.60, 2,275,375.80 and 806,579.60 is: 1,211,266.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,167.60 : 2,275,375.80 = 806,579.60 : x
  2. Step 2: Convert to fraction form
    1,515,167.60/2,275,375.80 = 806,579.60/x
  3. Step 3: Cross multiply
    1,515,167.60x = 2,275,375.80 × 806,579.60
  4. Step 4: Simplify right side
    1,515,167.60x = 1,835,271,702,613.68
  5. Step 5: Solve for x
    x = 1,835,271,702,613.68/1,515,167.60
  6. Step 6: Final answer
    x = 1,211,266.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.